package thread;

public class ThreadDemo1 {
    public static void main(String[] args) {
        Thread t1 = new MyThread1();
        Thread t2 = new MyThread2();

        t1.start();
        t2.start();
    }
}
    class MyThread2 extends Thread{
        public void run(){
            for(int s = 0;s<1000;s++){
                System.out.println("跑");
            }
        }
    }
    class  MyThread1 extends Thread{
        public void run(){
            for(int i= 0;i<1000;i++){
                System.out.println("进入");
            }
        }
    }

